/wp-content/uploads/2025/Tapered-Roller-Bearings.jpg
Koyo 30306DJR
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
30 mm
D
72 mm
T
20.75 mm
B
19 mm
C
14 mm
r(min.)
1.5 mm
r1(min.)
1.5 mm
Basic load ratings : Cr
63.5 kN
Basic load ratings : C0r
54.9 kN
Fatigue load limit : Cu
7.70 kN
Limiting speeds(Grease lub.)
4900 min-1
Limiting speeds(Oil lub.)
6800 min-1
Load center spread : a
23.7 mm
Constant e
0.83
Axial load factors : Y1
0.73
Axial load factors : Y0
0.40
Mounting dimensions
da(min.)
38.5 mm
db(max.)
40 mm
Da(max.)
63.5 mm
da(min.)
55 mm
db(min.)
68 mm
Sa(min.)
3 mm
Sb(min.)
6.5 mm
ra(max.)
1.5 mm
rb(max.)
1.5 mm
Refer.
(Refer.)Mass
0.400 kg
